Senior Mechanical Engineer (Wet)

About Us:

We at Carbine Coffee are a small founding group backed by some of the leading venture firms in the valley with a mission to bring the latest in hardware automation, IoT, and AI to coffee roasting. We’re disrupting the way that coffee is made and distributed to help build the future of a $70 billion US coffee market. Our founders include one of the first designers at Pinterest, a CEO with a previous acquisition in the hardware startup space, and a COO with ten years at a food technology company that generated $100M+ in revenue.  We’re looking for people who want to solve interesting problems and build things that have never been built before at the intersection of software, robotics, and hardware. 

The Role: 

As the Senior Mechanical Engineer, you’ll join our small and dedicated full-time team of six, which currently consists of two co-founders (CEO, CTO) as well as our COO, Head of Hardware Development, and Director of Coffee.  We already have 3 functional prototypes roasting great coffee on a daily basis and are ready to take the platform to the next level with a “scrappy not crappy” attitude and a belief that we are limited only by the scope of our imagination. We’re looking for someone who wants to be part of a founding team who has taken products from ideation to launch and shipped them to market. 

If you love building from the ground up, having a lot of ownership, taste-testing coffee on a daily basis, joining at a high equity-upside, and working from a bright and sunny office in the heart of the Mission District of San Francisco, we’d love to speak with you. 

What you’ll do:
  • Responsibility for our roasting airpath system, including layout, part design, analysis, testing, and documentation
  • Flow simulation in Solidworks for internal flow design and thermal modeling
  • Design and testing of mechanisms and structures throughout the roaster
  • Collaborate with Firmware and Electrical Engineers for heater controls, blower controls, and board layouts
  • Collaborate with the rest of the team to ensure safety, usability, and serviceability of the roaster as a whole
  • DFM and vendor management as parts are transitioned to production


Your background:
  • 7-10 years of relevant industry experience 
  • Hands on engineer with a solid design process and experience taking projects from ideation to production 
  • A strong background with hardware development processes and experience shipping products is a must
  • Good CAD discipline to make design collaboration easier
  • Ability to use top-down (master model) design techniques in CAD
  • Multitasker, able to juggle tasks and assume multiple roles in a team
  • Self-starter, able to identify next steps and high risk design regions by yourself
  • Knowledge of ducting, welding, sheet metal processes in both prototype and production
  • Familiarity with fittings, heaters, fans, blowers, filters, and similar internal flow components
  • Familiarity with temperature sensors, pressure sensors, flow sensors, and other instrumentation in internal flows
  • Having an open mind, creativity, and lack of ego to allow us to create the best possible designs as a team
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